Buletin Ilmiah Sarjana Teknik Elektro
Buletin Ilmiah Sarjana Teknik Elektro (BISTE) adalah jurnal terbuka dan merupakan jurnal nasional yang dikelola oleh Program Studi Teknik Elektro, Fakultas Teknologi Industri, Universitas Ahmad Dahlan. BISTE merupakan Jurnal yang diperuntukkan untuk mahasiswa sarjana Teknik Elektro. Ruang lingkup yang diterima adalah bidang teknik elektro dengan konsentrasi Otomasi Industri meliputi Internet of Things (IoT), PLC, Scada, DCS, Sistem Kendali, Robotika, Kecerdasan Buatan, Pengolahan Sinyal, Pengolahan Citra, Mikrokontroller, Sistem Embedded, Sistem Tenaga Listrik, dan Power Elektronik. Jurnal ini bertujuan untuk menerbitkan penelitian mahasiswa dan berkontribusi dalam pengembangan ilmu pengetahuan dan teknologi.
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<![CDATA[Programmable Logic Controller (PLC) Based Paint Viscosity Control System ]]>
<![CDATA[Gema Ridho Wicaksono]]>;
<![CDATA[Riky Dwi Puriyanto]]>
<![CDATA[ Buletin Ilmiah Sarjana Teknik Elektro Vol. 3 No. 1 (2021): April ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/biste.v3i1.1109
<![CDATA[Automatic control has been developed in various fields, one of which is paint quality control. Paint quality can be controlled from various categories, including paint quality based on its viscosity. Therefore, we need a system that can control the viscosity of the paint. The paint viscosity control system uses the PLC OMRON CP1E-NA20DRA with a heater as a heat source, and the LM35DZ sensor as a temperature reading sensor, and the RPM reading is used to calculate the viscosity value. The programming language used is the ladder diagram on the CX-Programmer. This system uses the PID (Proportional, Integral, and Derivative) Algorithm so that temperature control can be set at 30ºC so as not to affect the viscosity of the paint. In addition, this prototype provides two PID tuning options, namely manual and auto-tuning. Researchers get the results that a good temperature control system response has a PB value = 0.2%; Ti = 452.5s and TD = 66.6s. and control the accuracy level of paint viscosity control of 67.82%.]]>
<![CDATA[Identification of Feasibility of Canned Based Foods Image Processing Techniques Using Thresholding ]]>
<![CDATA[Ilhamsyah Muhammad Nurdin]]>;
<![CDATA[Abdul Fadlil]]>
<![CDATA[ Buletin Ilmiah Sarjana Teknik Elektro Vol. 3 No. 1 (2021): April ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/biste.v3i1.1608
<![CDATA[Eye sight is sometimes deceptive, especially in determining the quality of a canned food, so it is necessary to use technology that resembles human visual observation, namely in the form of an application. The process to detect the quality of canned food uses image processing methods, especially thresholding, which is then designed so that the application is able to determine the quality of canned food with the help of the MATLAB GUI which detects and then sends it from making the MATLAB GUI on the Laptop to Android using FTP (File Transfer Protocol). At the end of the process, it is marked with known good and bad quality of canned food with an android application that has been specially designed with an accuracy level of 84% with a thresholding value of 70.]]>
<![CDATA[DC Motor Speed Regulation Using Speech Recognition ]]>
<![CDATA[Firda Andriyan Andriyan]]>;
<![CDATA[Wahyu Sapto Aji]]>
<![CDATA[ Buletin Ilmiah Sarjana Teknik Elektro Vol. 3 No. 1 (2021): April ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/biste.v3i1.1751
<![CDATA[One of the uses of this sound technology is controlling the speed of a DC motor. Sound in the form of a spectrum signal can be converted to digital. Digital signals can be used as a microcontroller input to adjust the speed of a DC motor using the PWM (pulse width modulation) method. The design of the tool uses the V3 voice recognition module to convert the voice into digital. A microcontroller as a voice data processor by changing the input voltage to a DC motor. Voice command to set DC motor speed. Based on the results of tests carried out in good environmental conditions, 90% of voice commands can be recognized. Meanwhile, in bad environmental conditions by 50%. Manual measurement is done by entering the input voltage from 1 volt to 10 volts. The results of the comparison show that the speed is almost the same, namely 2727 rpm for manual calculation and 2915 rpm for the whole tool. This difference occurs because the test when manually inputting the tension is not very accurate. It can be concluded that the tool is working properly and as desired. If the environmental conditions are bad only 50% can be recognized from 30 voice commands, then there is a difference in voice intonation during the training process.]]>
<![CDATA[Intruder Detection Systems on Computer Networks Using Host Based Intrusion Detection System Techniques ]]>
<![CDATA[Rio Widodo]]>;
<![CDATA[Imam Riadi]]>
<![CDATA[ Buletin Ilmiah Sarjana Teknik Elektro Vol. 3 No. 1 (2021): April ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/biste.v3i1.1752
<![CDATA[The openness of access to information raises various problems, including maintaining the validity and integrity of data, so a network security system is needed that can deal with potential threats that can occur quickly and accurately by utilizing an IDS (intrusion detection system). One of the IDS tools that are often used is Snort which works in real-time to monitor and detect the ongoing network by providing warnings and information on potential threats in the form of DoS attacks. DoS attacks run to exhaust the packet path by requesting packets to a target in large and continuous ways which results in increased usage of CPU (central processing unit), memory, and ethernet or WiFi networks. The snort IDS implementation can help provide accurate information on network security that you want to monitor because every communication that takes place in a network, every event that occurs and potential attacks that can paralyze the internet network are monitored by snort.]]>
<![CDATA[Fire Extinguisher Wheel Robot Based on Arduino Mega 2560 R3 with Android Smartphone Control ]]>
<![CDATA[Herry Setyo Nugroho]]>;
<![CDATA[Tole Sutikno]]>
<![CDATA[ Buletin Ilmiah Sarjana Teknik Elektro Vol. 3 No. 1 (2021): April ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/biste.v3i1.1760
<![CDATA[The development of technology in the smartphone sector is currently developing very rapidly which results in smartphones becoming one of the primary needs. Judging from the ability of a smartphone that is able to run various applications, one of which is to use it as a control tool. Through this research, a fire extinguisher wheeled robot prototype will be built with the control of an Android smartphone based on the Arduino Mega 2560 via Bluetooth wireless communication. The results showed that the robot can function properly controlled via an Android smartphone with a maximum distance of 10 meters, the robot is able to respond and extinguish the fire with a maximum range of 60 cm, and the robot is able to know the distance of the barrier around it (in cm) with an accuracy of up to 97%. To extinguish the fire the robot can move with an average speed of movement of the robot of 22.2 seconds per extinguishing phase.]]>
<![CDATA[Prototype Automatic Transfer Switch (ATS) on the Generator to Anticipate Blackouts ]]>
<![CDATA[Maslahatul Irfani M.]]>;
<![CDATA[Amalia Herlina]]>;
<![CDATA[Safrudin Safrudin]]>
<![CDATA[ Buletin Ilmiah Sarjana Teknik Elektro Vol. 3 No. 1 (2021): April ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/biste.v3i1.2829
<![CDATA[It has been designed and built a device to transfer the load from the PLN to the generator called the Automatic Transfer Switch (ATS) and at the same time able to turn on the generator automatically called Automatic Main Falure (AMF). This tool is in the form of a prototype that has successfully fulfilled its function so that it can be applied for domestic or industrial purposes. This tool is also economically valuable, because the price of its production is able to compete with similar products in the market, but by having more capabilities in the form of fuel detection and lubrication. With the results of the study covering the duration of the network load outages during the process of switching the electricity grid from PLN to the generator on average 3.5 seconds, and 0 seconds (instantaneous) during the process of switching the electricity grid from the generator to PLN, the ATS-AMF that is created automatically is able to light Genset engine when PLN dies and turns off the Genset engine when PLN starts again after it goes out, and the ATS-AMF that is made automatically is able to give a warning (alert) to the engine operator when Gasoline or Oil will run out at the level of 20% of the capacity of Gasoline or Oil.]]>
<![CDATA[Nitrogen Test Tool in Rice Leaves Based on Android Application ]]>
<![CDATA[Muhammad Darso]]>;
<![CDATA[Anton Yudhana]]>
<![CDATA[ Buletin Ilmiah Sarjana Teknik Elektro Vol. 3 No. 1 (2021): April ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/biste.v3i1.3071
<![CDATA[This study aims to make an application for measuring nitrogen requirements in rice leaves based on an android application. The method used is the On Touch Motion Event. The onTouch method will be used when a touch will be sent to be displayed, then MotionEvent contains information about the touch made. System testing is carried out to display images using the Open Camera button using a smartphone camera, after that look for the RGB value then convert it to the BWD scale. This research has succeeded in building an application that can determine nitrogen levels in rice leaves through leaf color and provide recommendations for the amount of fertilization according to the desired results. The results of tests that have been carried out on 6 samples of rice leaves with 60 samples of RGB value data produce an accuracy rate of using the application of 78.33% and the remaining 21.66% is an error value. And how to calculate the land area, the results obtained from the need for urea per plant in 1 ha are 120 kg, where the BWD table shows the value of leaf color on a scale of 2-3 and requires a urea measurement of 100 which is estimated to get a yield rate of 6 t / ha.]]>
<![CDATA[System of Measuring PH, Humidity, and Temperature Based on Internet of Things (IoT) ]]>
<![CDATA[Wahyuni Eka Sari]]>;
<![CDATA[Eko Junirianto]]>;
<![CDATA[Geofani Fatur Perdana]]>
<![CDATA[ Buletin Ilmiah Sarjana Teknik Elektro Vol. 3 No. 1 (2021): April ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/biste.v3i1.3214
<![CDATA[The problem faced by farmers in Samarinda is the difficulties to know the condition of the chili plants when they are away from home or from the garden. Often times the farmer commutes from home to the garden just to monitor the condition of the plants, which reduces work effectiveness and takes a long time. Therefore, in this study a tool was made to measure soil moisture, temperature and soil pH based on the Internet of Things. The process of monitoring soil pH, soil moisture, and air temperature in chili plants using soil pH sensors, soil moisture sensors, and soil temperature sensors as well as Wemos / Arduino for data processing and sending analog data to the ANTARES platform. The result of this research is that soil condition data can be sent and read in real time through the ANTARES web application. Tool testing was carried out at 30 different locations in the city of Samarinda.]]>
<![CDATA[Monitoring Power Usage on Humanoid Robot Wirelessly Using the INA219 Sensor ]]>
<![CDATA[Ibnu Fauzi]]>;
<![CDATA[Nuryono Satya Widodo]]>
<![CDATA[ Buletin Ilmiah Sarjana Teknik Elektro Vol. 3 No. 1 (2021): April ]]>
Publisher : <![CDATA[Universitas Ahmad Dahlan ]]>
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DOI: 10.12928/biste.v3i1.3334
<![CDATA[Currently, humanoid robot power measurements are only carried out when there is a robot's movement that is weakened or unable to move optimally. This is considered to be less than optimal in preventing damage/weakness of the robot's movement. The monitoring device is installed on each part of the humanoid robot, namely the hands and feet, then it will send the current and voltage results via the wireless system. The current sensor used is an INA219 type which is calibrated with a resistor. The power supply used is 12.6 V and the resistors for calibration are 15 Ohm, 18 Ohm, 22 Ohm, 39 Ohm, 47 Ohm, 56 Ohm with each resistor having a power resistance of 5W. The INA219 sensor can read the current, voltage, and power values of the resistor even though there are still differences when compared to multimeter measuring instruments. The results of sensor calibration with a resistor will be used as a comparison when monitoring the humanoid robot. NodeMCU ESP8266 as a microcontroller and wi-fi module. The web server can operate properly when there is a connection. Monitoring runs in real-time for 1 second to refresh data. In the results obtained in all tests, all INA219 sensors can work but are less accurate. For smooth wireless communication and in accordance with research objectives.]]>
